نتایج جستجو برای: brain tumor detection
تعداد نتایج: 1405621 فیلتر نتایج به سال:
In recent years, brain tumors become the leading cause of death in the world. Detection and rapid classification of this tumor are very important and may indicate the likely diagnosis and treatment strategy. In this paper, we propose deep learning techniques based on the combinations of pre-trained VGG-16 CNNs to classify three types of brain tumors (i.e., meningioma, glioma, and pituitary tumo...
wilms’ tumor is the most common abdominal tumor of childhood, and its cerebral metastasis is apparently very rare. the authors report an 18-month-old girl with wilms’ tumor and brain metastasis.
background: radiotherapy plays an important role in the management of most malignant and many benign primary central nervous system (cns) tumors. radiotherapy affects both tumor cells and uninvolved normal cells; so, it is important to estimate absorbed dose to organs at risk in this kind of treatment. the aim of this study was to determine the absorbed dose to chiasma, lens, optic nerve, retin...
background: in this study, we examined the epidemiologic characteristics of childhood brain tumors in patients referred to mahak pediatric cancer treatment and research center (one of the main national referral centers for childhood malignancies in iran) for treatment. materials and methods: this cohort (simple sampling) study consisted of 198 children less than 15 year old with cns tumor refer...
radiation induced sarcoma is a rare but recognized complication of radiotherapy and is associated with poor prognosis, frequently occurs 5 years after completion of treatment. we report radiation-induced sarcoma in a 42 years old male, involving the left parietooccipital scalp region following treatment of brain tumor with craniotomy and post-operative radiation with 60co machine. diagnosis of ...
ancient schwannomas rarely found in the central nervous system and ancient change in an intracranial schwannoma (intracranial portion of the trigeminal nerve) is extremely rare. a seventy-year man presented with headache of 3 months duration and one episode of generalized tonic-clonic seizures. imaging findings were suggestive of left temporal high grade lesion. during surgery there was well ca...
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